NEW ELECTRONICS EQUIPMENT NORTH VIETNAM

Document Type: 
Document Number (FOIA) /ESDN (CREST): 
CIA-RDP83-01074R000300590001-3
Release Decision: 
RIPPUB
Original Classification: 
S
Document Page Count: 
3
Document Creation Date: 
December 28, 2016
Document Release Date: 
September 14, 2011
Sequence Number: 
1
Case Number: 
Publication Date: 
May 7, 1969
Content Type: 
PHOTO
File: 
AttachmentSize
PDF icon CIA-RDP83-01074R000300590001-3.pdf376.41 KB
Body: 
5/69) NPIC, 25X1 Sanitized Copy Approved for Release 2011/09/14 :CIA-RDP83-010748000300590001-3 21-02N 105-41E f ] `f 'SN+3.f1i k ,~ `["`. l'-4w K_f~d?o?~~ 1~.}~~ 8. }~RtlF}:OATII'IF~ ~uv _a' .... ~-r~~. ....-~~' ~~ ,w `w ~.~~Y a~ _~ 6._nA~_ ? `,;a ,~., ~-. _ "~..,- ~? 6 NEW ELECTRONICS EQUIPMENT NORTH VIETNAM Sanitized Copy Approved for Release 2011/09/14 :CIA-RDP83-010748000300590001-3 NATIONAL PHOT06RAPHIC If1ENPRETATION CENTER Sanitized Copy Approved for Release 2011/09/14 :CIA-RDP83-010748000300590001-3 SECRET NO FOREIGN DISSEM (c) NATIONAL PHOTOGRAPHIC INTERPRETATION CENTER ATTACHMENT TO M-6453 7 MAY 1969 PAGE 1 NEW ELECTRONICS EQUIPMENT NORTH VIETNAM 1. SIGNIFICANCE: THIS BRIEFING BOARD DEPICTS ELECTRONICS EQUIPMENT OBSERVED FOR THE FIRST TIME IN NORTH VIETNAM. 2. LOCATION: HANOI AREA, NORTH VIETNAM 3. MISSION READOUT: LOW LEVEL DRONE PHOTOGRAPHY OF APRIL 1969 REVEALS ELECTRONICS EQUIPMENT AT THREE SEPARATE LOCATIONS IN NORTH VIETNAM. AND 13 UTILITY TRAILERS PARKED AT THE HANOI INTERNATIONAL RADIO RECEIVING STATION, SON DONG. THE LO-1800 VAN TRUCK HAS BEEN ASSOCIATED WITH THE REVEALS TWENTY-SIX LO-1800 VAN TRUCKS RVG950 VHF RADIO RELAY EQUIPMENT IT HAS BEEN FURTHER 25X1 REPORTED THAT EAST GERMANY IS PROVIDING RVG950 EQUIPMENT TO NORTH VIETNAM. THE RVG950 EQUIPMENT PERMITS TRANSMISSION OF FIVE TELEPHONE CHANNELS OR ONE BROADCAST PROGRAM CHANNEL. EMPLOYING ALOG-PERIODIC ANTENNA IT CAN BE USED FOR LINE OF SIGHT DATA TRANSMISSION WITH A RANGE OF APPROXIMATELY 50 TO 60 KILOMETERS . MISSION REVEALS A MOBILE FIX EIGHT SITE CONSISTING OF AN EIGHT-MAST ADCOCK ANTENNA WITH THE M~CSTS EQUALLY SPACED IN A CIRCLE AND A CENTRAL SENSE ANTENNA MOUNTED ON AN ELECTRONICS VAN TRUCK. THE FIX EIGHT EQUIPMENT CAN BE USED FOR NAVIGATIONAL AID OR FOR RADIO SURVEILLANCE~INTER- CEPT PURPOSES. These notes have been prepared for briefing purposes only and should not be used for detailed analytical work. Their use should be restricted to the particular briefing boards (s) they were prepared for and must be considered valid only f or the re? porting period as indicated by the date of issue. For information concerning these notes contact Chief, Imagery E%ploitation Group NPIC. GROUP t: E%CLUDEDFROM AUTOMATIC DOWNGRADING AND DECLASSIFICATION SECRET Sanitized Copy Approved for Release 2011/09/14 :CIA-RDP83-010748000300590001-3 Sanitized Copy Approved for Release 2011/09/14 :CIA-RDP83-010748000300590001-3 SECRET NO FOREIGN DISSEM (c) NATIONAL PHOTOGRAPHIC INTERPRETATION CENTER ATTACHMENT TO M-6453 7 MAY Zg6g PAGE 2 REVEALS A PROBABLE ELECTRONICS INSTALL- ATION CONSISTING OF TWO IDENTICAL GROUPS OF VEHICLES. EACH GROUP CONTAINS A ROTATABLE CAMOUFLAGED VAN TRAILER CONNECTED BY CABLE TO TWO CAMOUFLAGED VAN TRUCKS WITH NO ANTENNAS VISIBLE. THE TWO VAN TRAILERS AT THIS INSTALL- ATION ARE SIMILAR TO THE VAN TRAILERS NORMALLY ASSOCIATED WITH SIDE NET RADAR, TOKEN FAMILY RADARS, AND THE CAKE SERIES OF HEIGHI' FINDING RADARS. THE PRIMARY DIFFERENCE NOTED IN THE VANS IS THE PLACEMENT OF THE ACCESS DOOR FOR THE VAN. THIS DOOR IS USUALLY FOUND ON THE SIDE OF THE VAN NEAR ONE END. HOWEVER, THE TWO VAN TRAILERS AT THIS INSTALLATION HAVE A DOOR IN THE CENTER OF ONE SIDE. AN UNIDENTIFIED OBJECT BELIEVED TO BE A RECTANGULAR MAT, NET, OR PIECE OF CANVAS, IS LYING NEAR ONE OF THE VAN TRAILERS. THESE VEHICLES WERE ALSO PRESENT IN LATE JANUARY ~g6g. THERE IS NO EVIDENCE ON EITHER MISSION OF LARGE ANTENNAS ON EITHER OF THE VANS. These notes have been prepared for briefing purposes only and should not be used for detailed analytical work. Their use should be restricted to the particular briefing boards (s) they were prepared for and must be considered valid onty for the re? porting period as indicated by the date of issue. For information concerning these notes contact Chief, Imagery Exploitation Group NPIC. SECRET Sanitized Copy Approved for Release 2011/09/14 :CIA-RDP83-010748000300590001-3